https://briankoberlein.com/2015/07/22/standardizing-the-candle/ Brian Koberlein Fri, 22 Feb 2019 18:22:15 +0000 hourly 1 https://wordpress.org/?v=5.1 https://briankoberlein.com/2015/07/22/standardizing-the-candle/#comment-3868 Wed, 13 Apr 2016 20:30:06 +0000 https://briankoberlein.com/?p=5008#comment-3868 Couldn’t there be a systematic bias in brightness because of conditions in the early universe say 10 billion years ago as compared to more recent time? I never see this possibility mentioned anywhere and perhaps it is not possible but if so I don’t know why.

]]>